Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA Technology
ABSTRACT Freshwater ecosystems face unprecedented challenges as the cumulative impact of human activities intensifies. While protected areas and species‐specific conservation policies are widely implemented, their effectiveness remains difficult to gauge using traditional catch‐based surveys. This r...
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| Format: | Article |
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Wiley
2024-12-01
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| Series: | Ecology and Evolution |
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| Online Access: | https://doi.org/10.1002/ece3.70626 |
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| author | Lu Tian Qianqian Wu Li Zou Jinxin Zhou Chongrui Wang Linmei Han Zaiquan Zhang Xing Xiang Mingqiu Liu Zhifeng Feng Zhonggui Xie Zhiqiang Liang |
| author_facet | Lu Tian Qianqian Wu Li Zou Jinxin Zhou Chongrui Wang Linmei Han Zaiquan Zhang Xing Xiang Mingqiu Liu Zhifeng Feng Zhonggui Xie Zhiqiang Liang |
| author_sort | Lu Tian |
| collection | DOAJ |
| description | ABSTRACT Freshwater ecosystems face unprecedented challenges as the cumulative impact of human activities intensifies. While protected areas and species‐specific conservation policies are widely implemented, their effectiveness remains difficult to gauge using traditional catch‐based surveys. This research employed environmental DNA (eDNA) technology to assess the distribution of the endangered fish, Bangana tungting, within the Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve (YUFRR) in Hunan, China. Over a 2‐year period, we conducted comprehensive eDNA survey multiple sites within the YUFRR, confirming the species' continued existence in the area. In September 2022, B. tungting eDNA was detected at 8 of 60 sampling locations, while a follow‐up survey in May 2023 identified its presence at 4 of 44 sites. Further analysis revealed critical environmental factors influencing B. tungting distribution, primarily dissolved oxygen concentration and the presence of physical barriers such as hydroelectric stations. Our data suggest a minimum dissolved oxygen tolerance threshold of 4 mg/L for this species. Moreover, we observed an inverse relationship between B. tungting detection rates and both the number of hydroelectric stations and their distance to sampling sites. This case study demonstrates the effectiveness of eDNA technology in mapping the distribution of endangered fish species like B. tungting and guiding conservation strategies. Our findings emphasize the crucial need to enhance environmental conditions, particularly water quality and habitat suitability, to ensure the effective conservation of B. tungting within the YUFRR. |
| format | Article |
| id | doaj-art-7d049a1f0edf4515ad2556d4136a2766 |
| institution | Kabale University |
| issn | 2045-7758 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Wiley |
| record_format | Article |
| series | Ecology and Evolution |
| spelling | doaj-art-7d049a1f0edf4515ad2556d4136a27662024-12-27T11:24:39ZengWileyEcology and Evolution2045-77582024-12-011412n/an/a10.1002/ece3.70626Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA TechnologyLu Tian0Qianqian Wu1Li Zou2Jinxin Zhou3Chongrui Wang4Linmei Han5Zaiquan Zhang6Xing Xiang7Mingqiu Liu8Zhifeng Feng9Zhonggui Xie10Zhiqiang Liang11Hunan Fisheries Science Institute Changsha Hunan ChinaGraduate School of Human Development and Environment Kobe University Kobe JapanHunan Fisheries Science Institute Changsha Hunan ChinaInstitute of Industrial Science The University of Tokyo Kashiwa JapanHunan Fisheries Science Institute Changsha Hunan ChinaHunan Fisheries Science Institute Changsha Hunan ChinaHuaihua Tianling Nature Protection Company Huaihua Hunan ChinaAnimal Husbandry and Aquatic Products Center of Hongjiang District Huaihua Hunan ChinaHunan Fisheries Science Institute Changsha Hunan ChinaHunan Fisheries Science Institute Changsha Hunan ChinaHunan Fisheries Science Institute Changsha Hunan ChinaHunan Fisheries Science Institute Changsha Hunan ChinaABSTRACT Freshwater ecosystems face unprecedented challenges as the cumulative impact of human activities intensifies. While protected areas and species‐specific conservation policies are widely implemented, their effectiveness remains difficult to gauge using traditional catch‐based surveys. This research employed environmental DNA (eDNA) technology to assess the distribution of the endangered fish, Bangana tungting, within the Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve (YUFRR) in Hunan, China. Over a 2‐year period, we conducted comprehensive eDNA survey multiple sites within the YUFRR, confirming the species' continued existence in the area. In September 2022, B. tungting eDNA was detected at 8 of 60 sampling locations, while a follow‐up survey in May 2023 identified its presence at 4 of 44 sites. Further analysis revealed critical environmental factors influencing B. tungting distribution, primarily dissolved oxygen concentration and the presence of physical barriers such as hydroelectric stations. Our data suggest a minimum dissolved oxygen tolerance threshold of 4 mg/L for this species. Moreover, we observed an inverse relationship between B. tungting detection rates and both the number of hydroelectric stations and their distance to sampling sites. This case study demonstrates the effectiveness of eDNA technology in mapping the distribution of endangered fish species like B. tungting and guiding conservation strategies. Our findings emphasize the crucial need to enhance environmental conditions, particularly water quality and habitat suitability, to ensure the effective conservation of B. tungting within the YUFRR.https://doi.org/10.1002/ece3.70626Bangana tungtingdissolved oxygendistributionenvironmental DNAhydroelectric station constructionreserve |
| spellingShingle | Lu Tian Qianqian Wu Li Zou Jinxin Zhou Chongrui Wang Linmei Han Zaiquan Zhang Xing Xiang Mingqiu Liu Zhifeng Feng Zhonggui Xie Zhiqiang Liang Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA Technology Ecology and Evolution Bangana tungting dissolved oxygen distribution environmental DNA hydroelectric station construction reserve |
| title | Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA Technology |
| title_full | Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA Technology |
| title_fullStr | Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA Technology |
| title_full_unstemmed | Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA Technology |
| title_short | Investigation on the Distribution of Bangana Tungting in Yuanshui Unique Fish Species National Aquatic Germplasm Resources Reserve Using Environmental DNA Technology |
| title_sort | investigation on the distribution of bangana tungting in yuanshui unique fish species national aquatic germplasm resources reserve using environmental dna technology |
| topic | Bangana tungting dissolved oxygen distribution environmental DNA hydroelectric station construction reserve |
| url | https://doi.org/10.1002/ece3.70626 |
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